The cost of painless gastroscopy is usually around a few hundred to a few thousand dollars, but there is no standardized cost, which is related to the level of the hospital and the area where the patient lives. Comparing painless gastroscopy with ordinary gastroscopy, it is often necessary to give short-acting anesthetics intravenously before the examination, so that the patient can be examined in a sleeping state, which can reduce the pain, and the cost will generally be more expensive. If a lesion is suspected to exist in a certain area while doing painless gastroscopy, pathological tissue needs to be taken for pathological analysis, and the cost may increase appropriately. For painless gastroscopy, it is also necessary to improve the preoperative examination, such as blood routine, coagulation, liver and kidney function, hepatitis B, hepatitis C, AIDS, syphilis, electrocardiogram and other related tests. Before painless gastroscopy or general gastroscopy, in addition to perfecting the preoperative examination, it is also necessary to make good intestinal preparation and stop using related medications, in accordance with the specific instructions of the doctor, to avoid affecting the examination and increasing the risk of the examination.